EF-3 tornado confirmed near Cream, Wisconsin during April 17, 2026 outbreak; NWS La Crosse issues record 26 warnings
A tornado outbreak struck the Upper Midwest on April 17, 2026, producing multiple EF-2 and EF-3 tornadoes across southeast Minnesota and western Wisconsin, damaging more than 100 homes and injuring at least two people. The strongest tornado, rated EF-3, caused severe structural damage along its path, while the National Weather Service La Crosse office issued a record 26 tornado warnings during the event.
EF-3 tornado near Cream, Wisconsin on April 17, 2026. Credit: Bri Rotering
A significant tornado outbreak affected the Upper Midwest on Friday, April 17, as thunderstorms developed around 13:00 LT along a cold front in southeast Minnesota and a warm front in western Wisconsin. This setup generated two waves of storms, with supercell thunderstorms forming and moving east through the afternoon before exiting central Wisconsin after approximately 18:30 LT.
Tornadoes developed as storms intensified, with the highest concentration occurring north of Interstate 90 across southeast Minnesota and west-central Wisconsin. Preliminary assessments indicate that more than 100 homes were damaged across the region and at least two injuries were reported, according to the National Weather Service (NWS).
The most significant tornado of the outbreak was rated EF-3 near Cream (population 1 624), Buffalo County, Wisconsin. It was on the ground from 15:27 to 15:43 LT (20:27–20:43 UTC), tracking 13.8 km (8.6 miles) with a maximum width of 114 m (125 yards). Estimated peak winds reached 225 km/h (140 mph).
The tornado caused severe damage to a well-constructed residential structure near State Road 88 south of Cream, where exterior walls were removed, and the roof was destroyed. Numerous trees were snapped or uprooted along the path, and farm outbuildings were destroyed.
The outbreak includes two EF-2 tornadoes, three rated EF-1, and two rated EF-0 by the NWS La Crosse office.
The first EF-2 tornado was on the ground from 14:17 to 14:31 LT (19:17–19:31 UTC) in Stewartville and Marion townships, Minnesota, forming northeast of Stewartville and tracking 15.6 km (9.7 miles) over approximately 14 minutes.
Estimated peak winds reached 209 km/h (130 mph), and the tornado reached a maximum width of 160 m (175 yards). Numerous homes and farm structures were damaged along its path, with more severe damage observed near Marion Road northeast of Highway 52, where roofs were removed, and exterior walls partially collapsed. Two injuries were reported with this tornado.
The second EF-2 tornado affected the Viola-Plainview area from 14:46 to 15:00 LT (19:46–20:00 UTC), beginning northeast of Rochester in Olmsted County and tracking into Wabasha County over a distance of 12.1 km (7.5 miles). Estimated peak winds reached 201 km/h (125 mph), with a maximum width of 137 m (150 yards). Damage was concentrated in rural areas, where trees and outbuildings were damaged. A farmhouse sustained roof loss, and a garage experienced partial roof removal near the location where peak winds were estimated.
Storm evolution during the event followed organized supercell development, with discrete storms forming along frontal boundaries and maintaining structure as they moved eastward.
The event marked a record day for the National Weather Service La Crosse office, which issued 26 tornado warnings. This is the highest number of tornado warnings issued by the office in a single day since its establishment in 1995.
The NWS Storm Prediction Center (SPC) received reports of 53 tornadoes across multiple states on April 17. The reports show activity began in southeastern Minnesota during the early afternoon and expanded eastward into Wisconsin and Illinois, with additional reports extending into Iowa, Missouri, Kansas, and Oklahoma later in the day.
Tornado activity intensified as storms moved east across Wisconsin, with multiple reports in Trempealeau, Jackson, and Marathon counties. In Marathon County, a tornado affecting the Ringle area caused damage to dozens of homes, with surveys confirming at least EF-1 intensity in parts of the track. Additional tornadoes were reported near Black River Falls and Osseo, indicating continued supercell activity beyond the primary Minnesota corridor.
In northern Illinois, several tornado reports were logged across Winnebago County, including near Pecatonica, Shirland, and Roscoe. Damage assessments in the region identified impacts to residential structures, utility infrastructure, and widespread tree damage, with some tornadoes later classified as EF-1 to EF-2 based on survey data.
Outside the main Upper Midwest corridor, a tornado in Howard County, Iowa, resulted in one reported injury and damage to a residential structure and a vehicle. Additional tornado reports across Missouri, Kansas, and Oklahoma were associated with embedded circulations within a broader convective system, with several later classified as EF-0 to EF-1 tornadoes.
Reported damage across the region included roofs removed from buildings, barns displaced from foundations, vehicles overturned, snapped or uprooted trees, and power line damage. Some reports remain preliminary and are subject to further verification through ground surveys.
References:
1 The Tornado Outbreak of April 17 2026 – NWS/La Crosse – Accessed April 19, 2026
I'm a dedicated researcher, journalist, and editor at The Watchers. With over 20 years of experience in the media industry, I specialize in hard science news, focusing on extreme weather, seismic and volcanic activity, space weather, and astronomy, including near-Earth objects and planetary defense strategies. You can reach me at teo /at/ watchers.news.
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